Training Guide in Surface Weather Observations - Multiple Choices
Training Guide in Surface Weather Observations - Multiple Choices
Training Guide in Surface Weather Observations - Multiple Choices
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16. Prevail<strong>in</strong>g visibility is reported <strong>in</strong>:<br />
a. Nautical miles and fractions.<br />
b. Kilometers and fractions.<br />
c. Statute miles and fractions.<br />
d. Hundreds of feet.<br />
17. Of the follow<strong>in</strong>g, the most suitable objects for determ<strong>in</strong><strong>in</strong>g nighttime visibility are:<br />
a. Unfocused lights of moderate <strong>in</strong>tensity at known distances.<br />
b. Searchlights.<br />
c. High <strong>in</strong>tensity runway lights.<br />
d. Focused lights of moderate <strong>in</strong>tensity at known distances.<br />
18. Report sector visibility <strong>in</strong> the remarks whenever it:<br />
a. Is nonuniform<br />
b. Differs from prevail<strong>in</strong>g visibility by one or more reportable values and is less than 3 miles.<br />
c. Is less than 7 miles.<br />
d. Is nonuniform and differs from prevail<strong>in</strong>g visibility.<br />
19. Prevail<strong>in</strong>g visibility is reported as variable when it rapidly <strong>in</strong>creases and decreases by 1/2 or more<br />
miles and is less than:<br />
a. 7 miles<br />
b. 3 miles<br />
c. 4 miles<br />
d. 6 miles<br />
20. The follow<strong>in</strong>g are reported changes <strong>in</strong> prevail<strong>in</strong>g visibility. Put a check mark <strong>in</strong> front of those that<br />
require a SPECI to be taken.<br />
a. 5 miles to 3 miles<br />
b. 3 miles to 2 1/2 miles<br />
c. 2 1/2 miles to 2 miles<br />
d. 2 miles to 1 mile<br />
e. 1 mile to 2 miles<br />
f. 2 miles to 2 1/2 miles<br />
g. 2 1/2 miles to 3 miles<br />
h. 3 miles to 5 miles<br />
21. What objects can be used for determ<strong>in</strong><strong>in</strong>g visibility?<br />
22. For variable visibility to be reported, which of the follow<strong>in</strong>g criteria need to be satisfied?<br />
(more than one answer):<br />
visibility is less than 3 miles<br />
visibility is between 2 and 4 miles<br />
visibility is rapidly <strong>in</strong>creas<strong>in</strong>g and decreas<strong>in</strong>g by 1/2 mile or more<br />
visibility changes by 1 mile or more<br />
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